Analysis of commutation torque ripple in three-phase, four-switch brushless DC (BLDC) motor drives

被引：0
|
作者：
Niasar, Abolfazl Halvaei [1 ]
Vahedi, Abolfazl [1 ]
Moghbelli, Hassan [2 ]
机构：
[1] Iran Univ Sci Technol, Dept Elect Engn, Univ Ave, Tehran, Iran
[2] Isfahan Univ, Esfahan, Iran
来源：
2006 IEEE POWER ELECTRONICS SPECIALISTS CONFERENCE, VOLS 1-7 | 2006年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Torque ripple generated in the commutation interval is one of the main drawbacks of BLDC motor. This paper presents an original comprehensive study on the generated torque ripples due to phase commutation in the four-switch, three-phase inverter (FSTPI) brushless de motor drives which are suitable for low cost applications. Torque ripple and commutation duration values are obtained for different operation conditions and problem in high speed region of FSTPI-BLDC is shown. The results indicate that because of asymmetrical voltages of phases in a FSTPI brushless dc motor, commutations in six operation modes are different. Also, it is shown that the ripple is independent of current and varies with speed.
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页码：2505 / +
页数：2
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